openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/sal/RemoveMetersBatchImpl.java

   1 /*
   2  * Copyright (c) 2024 PANTHEON.tech, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.openflowplugin.impl.services.sal;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15 import java.util.stream.Collectors;
  16 import org.opendaylight.openflowplugin.impl.util.BarrierUtil;
  17 import org.opendaylight.openflowplugin.impl.util.MeterUtil;
  18 import org.opendaylight.openflowplugin.impl.util.PathUtil;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.SendBarrier;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeter;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInputBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.Meter;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterRef;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.RemoveMetersBatch;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.RemoveMetersBatchInput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.RemoveMetersBatchOutput;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.common.RpcResult;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public final class RemoveMetersBatchImpl  implements RemoveMetersBatch {
  35     private static final Logger LOG = LoggerFactory.getLogger(RemoveMetersBatchImpl.class);
  36
  37     private final RemoveMeter removeMeter;
  38     private final SendBarrier sendBarrier;
  39
  40     public RemoveMetersBatchImpl(final RemoveMeter removeMeter, final SendBarrier sendBarrier) {
  41         this.removeMeter = requireNonNull(removeMeter);
  42         this.sendBarrier = requireNonNull(sendBarrier);
  43     }
  44
  45     @Override
  46     public ListenableFuture<RpcResult<RemoveMetersBatchOutput>> invoke(final RemoveMetersBatchInput input) {
  47         final var meters = input.nonnullBatchRemoveMeters().values();
  48         if (LOG.isTraceEnabled()) {
  49             LOG.trace("Removing meters @ {} : {}", PathUtil.extractNodeId(input.getNode()), meters.size());
  50         }
  51
  52         final var resultsLot = meters.stream()
  53             .map(meter -> removeMeter.invoke(new RemoveMeterInputBuilder(meter)
  54                 .setMeterRef(createMeterRef(input.getNode(), meter))
  55                 .setNode(input.getNode())
  56                 .build()))
  57             .collect(Collectors.toList());
  58
  59         final var commonResult = Futures.transform(Futures.allAsList(resultsLot),
  60             MeterUtil.createCumulativeFunction(meters), MoreExecutors.directExecutor());
  61
  62         final var removeMetersBulkFuture = Futures.transform(commonResult, MeterUtil.METER_REMOVE_TRANSFORM,
  63             MoreExecutors.directExecutor());
  64
  65         return input.getBarrierAfter()
  66             ? BarrierUtil.chainBarrier(removeMetersBulkFuture, input.getNode(), sendBarrier,
  67                 MeterUtil.METER_REMOVE_COMPOSING_TRANSFORM)
  68             : removeMetersBulkFuture;
  69     }
  70
  71     private static MeterRef createMeterRef(final NodeRef nodeRef, final Meter batchMeter) {
  72         return MeterUtil.buildMeterPath((InstanceIdentifier<Node>) nodeRef.getValue(), batchMeter.getMeterId());
  73     }
  74 }